REM

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REM

1
abbreviation for rapid eye movement

REM

, rem2
roentgen equivalent man

rem

[rem]
(nucleonics)
A unit of ionizing radiation, equal to the amount that produces the same damage to humans as 1 roentgen of high-voltage x-rays. Derived from roentgen equivalent man.

REM

On drawings, abbr. for “removable.”

REM

(programming)
(From "remark") The keyword used in BASIC to introduce a comment (which continues to the end of the line). MS-DOS probably borrowed it from BASIC. Might be used in the form "REM out" meaning to comment out.